1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Huawei Technologies Co., Ltd
5 #include "hinic_compat.h"
7 #include "hinic_pmd_hwdev.h"
8 #include "hinic_pmd_hwif.h"
9 #include "hinic_pmd_eqs.h"
10 #include "hinic_pmd_mgmt.h"
11 #include "hinic_pmd_mbox.h"
13 #define HINIC_MBOX_INT_DST_FUNC_SHIFT 0
14 #define HINIC_MBOX_INT_DST_AEQN_SHIFT 10
15 #define HINIC_MBOX_INT_SRC_RESP_AEQN_SHIFT 12
16 #define HINIC_MBOX_INT_STAT_DMA_SHIFT 14
17 /* The size of data to be send (unit of 4 bytes) */
18 #define HINIC_MBOX_INT_TX_SIZE_SHIFT 20
19 /* SO_RO(strong order, relax order) */
20 #define HINIC_MBOX_INT_STAT_DMA_SO_RO_SHIFT 25
21 #define HINIC_MBOX_INT_WB_EN_SHIFT 28
24 #define HINIC_MBOX_INT_DST_FUNC_MASK 0x3FF
25 #define HINIC_MBOX_INT_DST_AEQN_MASK 0x3
26 #define HINIC_MBOX_INT_SRC_RESP_AEQN_MASK 0x3
27 #define HINIC_MBOX_INT_STAT_DMA_MASK 0x3F
28 #define HINIC_MBOX_INT_TX_SIZE_MASK 0x1F
29 #define HINIC_MBOX_INT_STAT_DMA_SO_RO_MASK 0x3
30 #define HINIC_MBOX_INT_WB_EN_MASK 0x1
32 #define HINIC_MBOX_INT_SET(val, field) \
33 (((val) & HINIC_MBOX_INT_##field##_MASK) << \
34 HINIC_MBOX_INT_##field##_SHIFT)
36 enum hinic_mbox_tx_status {
41 #define HINIC_MBOX_CTRL_TRIGGER_AEQE_SHIFT 0
42 /* specifies the issue request for the message data.
43 * 0 - Tx request is done;
44 * 1 - Tx request is in process.
46 #define HINIC_MBOX_CTRL_TX_STATUS_SHIFT 1
48 #define HINIC_MBOX_CTRL_TRIGGER_AEQE_MASK 0x1
49 #define HINIC_MBOX_CTRL_TX_STATUS_MASK 0x1
51 #define HINIC_MBOX_CTRL_SET(val, field) \
52 (((val) & HINIC_MBOX_CTRL_##field##_MASK) << \
53 HINIC_MBOX_CTRL_##field##_SHIFT)
55 #define HINIC_MBOX_HEADER_MSG_LEN_SHIFT 0
56 #define HINIC_MBOX_HEADER_MODULE_SHIFT 11
57 #define HINIC_MBOX_HEADER_SEG_LEN_SHIFT 16
58 #define HINIC_MBOX_HEADER_NO_ACK_SHIFT 22
59 #define HINIC_MBOX_HEADER_SEQID_SHIFT 24
60 #define HINIC_MBOX_HEADER_LAST_SHIFT 30
62 #define HINIC_MBOX_HEADER_DIRECTION_SHIFT 31
63 #define HINIC_MBOX_HEADER_CMD_SHIFT 32
64 #define HINIC_MBOX_HEADER_MSG_ID_SHIFT 40
65 #define HINIC_MBOX_HEADER_STATUS_SHIFT 48
66 #define HINIC_MBOX_HEADER_SRC_GLB_FUNC_IDX_SHIFT 54
68 #define HINIC_MBOX_HEADER_MSG_LEN_MASK 0x7FF
69 #define HINIC_MBOX_HEADER_MODULE_MASK 0x1F
70 #define HINIC_MBOX_HEADER_SEG_LEN_MASK 0x3F
71 #define HINIC_MBOX_HEADER_NO_ACK_MASK 0x1
72 #define HINIC_MBOX_HEADER_SEQID_MASK 0x3F
73 #define HINIC_MBOX_HEADER_LAST_MASK 0x1
74 #define HINIC_MBOX_HEADER_DIRECTION_MASK 0x1
75 #define HINIC_MBOX_HEADER_CMD_MASK 0xFF
76 #define HINIC_MBOX_HEADER_MSG_ID_MASK 0xFF
77 #define HINIC_MBOX_HEADER_STATUS_MASK 0x3F
78 #define HINIC_MBOX_HEADER_SRC_GLB_FUNC_IDX_MASK 0x3FF
80 #define HINIC_MBOX_HEADER_GET(val, field) \
81 (((val) >> HINIC_MBOX_HEADER_##field##_SHIFT) & \
82 HINIC_MBOX_HEADER_##field##_MASK)
83 #define HINIC_MBOX_HEADER_SET(val, field) \
84 ((u64)((val) & HINIC_MBOX_HEADER_##field##_MASK) << \
85 HINIC_MBOX_HEADER_##field##_SHIFT)
87 #define HINIC_MBOX_COMP_TIME_MS 8000U
88 #define MBOX_MSG_POLLING_TIMEOUT_MS 5000
90 /* The size unit is Bytes */
91 #define HINIC_MBOX_DATA_SIZE 2040
92 #define MBOX_MAX_BUF_SZ 2048UL
93 #define MBOX_HEADER_SZ 8
95 /* MBOX size is 64B, 8B for mbox_header, 4B reserved */
96 #define MBOX_SEG_LEN 48
97 #define MBOX_SEG_LEN_ALIGN 4
98 #define MBOX_WB_STATUS_LEN 16UL
101 /* mbox write back status is 16B, only first 4B is used */
102 #define MBOX_WB_STATUS_ERRCODE_MASK 0xFFFF
103 #define MBOX_WB_STATUS_MASK 0xFF
104 #define MBOX_WB_ERROR_CODE_MASK 0xFF00
105 #define MBOX_WB_STATUS_FINISHED_SUCCESS 0xFF
106 #define MBOX_WB_STATUS_FINISHED_WITH_ERR 0xFE
107 #define MBOX_WB_STATUS_NOT_FINISHED 0x00
109 #define MBOX_STATUS_FINISHED(wb) \
110 (((wb) & MBOX_WB_STATUS_MASK) != MBOX_WB_STATUS_NOT_FINISHED)
111 #define MBOX_STATUS_SUCCESS(wb) \
112 (((wb) & MBOX_WB_STATUS_MASK) == MBOX_WB_STATUS_FINISHED_SUCCESS)
113 #define MBOX_STATUS_ERRCODE(wb) \
114 ((wb) & MBOX_WB_ERROR_CODE_MASK)
116 #define SEQ_ID_START_VAL 0
118 #define DST_AEQ_IDX_DEFAULT_VAL 0
119 #define SRC_AEQ_IDX_DEFAULT_VAL 0
120 #define NO_DMA_ATTRIBUTE_VAL 0
122 #define MBOX_MSG_NO_DATA_LEN 1
124 #define FUNC_ID_OFF_SET_8B 8
125 #define FUNC_ID_OFF_SET_10B 10
127 #define MBOX_BODY_FROM_HDR(header) ((u8 *)(header) + MBOX_HEADER_SZ)
128 #define MBOX_AREA(hwif) \
129 ((hwif)->cfg_regs_base + HINIC_FUNC_CSR_MAILBOX_DATA_OFF)
131 #define MBOX_RESPONSE_ERROR 0x1
132 #define MBOX_MSG_ID_MASK 0xFF
133 #define MBOX_MSG_ID(func_to_func) ((func_to_func)->send_msg_id)
135 enum hinic_hwif_direction_type {
136 /* driver send msg to up or up send msg to driver*/
137 HINIC_HWIF_DIRECT_SEND = 0,
138 /* after driver/up send msg to each other, then up/driver ack the msg */
143 MBOX_SEND_MSG_POLL = 1
151 enum mbox_ordering_type {
156 enum mbox_write_back_type {
161 enum mbox_aeq_trig_type {
166 static int send_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func,
167 enum hinic_mod_type mod, u16 cmd, void *msg,
168 u16 msg_len, u16 dst_func,
169 enum hinic_hwif_direction_type direction,
170 enum hinic_mbox_ack_type ack_type,
171 struct mbox_msg_info *msg_info);
173 static int recv_vf_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
174 struct hinic_recv_mbox *recv_mbox,
175 void *buf_out, u16 *out_size, void *param)
180 switch (recv_mbox->mod) {
182 hinic_comm_async_event_handle(func_to_func->hwdev,
183 recv_mbox->cmd, recv_mbox->mbox,
187 case HINIC_MOD_L2NIC:
188 hinic_l2nic_async_event_handle(func_to_func->hwdev, param,
189 recv_mbox->cmd, recv_mbox->mbox,
194 PMD_DRV_LOG(ERR, "No handler, mod = %d",
196 rc = HINIC_MBOX_VF_CMD_ERROR;
203 static void set_mbx_msg_status(struct mbox_msg_info *msg_info, int status)
205 if (status == HINIC_DEV_BUSY_ACTIVE_FW)
206 msg_info->status = HINIC_MBOX_PF_BUSY_ACTIVE_FW;
207 else if (status == HINIC_MBOX_VF_CMD_ERROR)
208 msg_info->status = HINIC_MBOX_VF_CMD_ERROR;
210 msg_info->status = HINIC_MBOX_PF_SEND_ERR;
213 static void recv_func_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
214 struct hinic_recv_mbox *recv_mbox,
215 u16 src_func_idx, void *param)
217 struct hinic_hwdev *dev = func_to_func->hwdev;
218 struct mbox_msg_info msg_info = { 0 };
219 u16 out_size = MBOX_MAX_BUF_SZ;
220 void *buf_out = recv_mbox->buf_out;
223 if (HINIC_IS_VF(dev)) {
224 err = recv_vf_mbox_handler(func_to_func, recv_mbox, buf_out,
228 PMD_DRV_LOG(ERR, "PMD doesn't support non-VF handle mailbox message");
231 if (!out_size || err)
232 out_size = MBOX_MSG_NO_DATA_LEN;
234 if (recv_mbox->ack_type == MBOX_ACK) {
235 msg_info.msg_id = recv_mbox->msg_info.msg_id;
236 set_mbx_msg_status(&msg_info, err);
237 send_mbox_to_func(func_to_func, recv_mbox->mod, recv_mbox->cmd,
238 buf_out, out_size, src_func_idx,
239 HINIC_HWIF_RESPONSE, MBOX_ACK, &msg_info);
243 static bool check_mbox_seq_id_and_seg_len(struct hinic_recv_mbox *recv_mbox,
244 u8 seq_id, u8 seg_len)
246 if (seq_id > HINIC_SEQ_ID_MAX_VAL || seg_len > HINIC_MSG_SEG_LEN)
250 recv_mbox->sed_id = seq_id;
252 if (seq_id != recv_mbox->sed_id + 1) {
253 recv_mbox->sed_id = 0;
257 recv_mbox->sed_id = seq_id;
263 static void clear_mbox_status(struct hinic_send_mbox *mbox)
265 /* clear mailbox write back status */
266 *mbox->wb_status = 0;
270 static void mbox_copy_header(struct hinic_send_mbox *mbox, u64 *header)
272 u32 *data = (u32 *)header;
273 u32 i, idx_max = MBOX_HEADER_SZ / sizeof(u32);
275 for (i = 0; i < idx_max; i++)
276 __raw_writel(*(data + i), mbox->data + i * sizeof(u32));
280 mbox_copy_send_data(struct hinic_send_mbox *mbox, void *seg, u16 seg_len)
282 u32 *data = (u32 *)seg;
283 u32 data_len, chk_sz = sizeof(u32);
285 u8 mbox_max_buf[MBOX_SEG_LEN] = {0};
287 /* The mbox message should be aligned in 4 bytes. */
288 if (seg_len % chk_sz) {
289 memcpy(mbox_max_buf, seg, seg_len);
290 data = (u32 *)mbox_max_buf;
294 idx_max = ALIGN(data_len, chk_sz) / chk_sz;
296 for (i = 0; i < idx_max; i++)
297 __raw_writel(*(data + i),
298 mbox->data + MBOX_HEADER_SZ + i * sizeof(u32));
301 static void write_mbox_msg_attr(struct hinic_mbox_func_to_func *func_to_func,
302 u16 dst_func, u16 dst_aeqn,
303 __rte_unused u16 seg_len, int poll)
305 u32 mbox_int, mbox_ctrl;
307 mbox_int = HINIC_MBOX_INT_SET(dst_func, DST_FUNC) |
308 HINIC_MBOX_INT_SET(dst_aeqn, DST_AEQN) |
309 HINIC_MBOX_INT_SET(HINIC_MBOX_RSP_AEQN, SRC_RESP_AEQN) |
310 HINIC_MBOX_INT_SET(NO_DMA_ATTRIBUTE_VAL, STAT_DMA) |
311 HINIC_MBOX_INT_SET(ALIGN(MBOX_SIZE, MBOX_SEG_LEN_ALIGN) >> 2,
313 HINIC_MBOX_INT_SET(STRONG_ORDER, STAT_DMA_SO_RO) |
314 HINIC_MBOX_INT_SET(WRITE_BACK, WB_EN);
316 hinic_hwif_write_reg(func_to_func->hwdev->hwif,
317 HINIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF, mbox_int);
320 mbox_ctrl = HINIC_MBOX_CTRL_SET(TX_IN_PROGRESS, TX_STATUS);
323 mbox_ctrl |= HINIC_MBOX_CTRL_SET(NOT_TRIGGER, TRIGGER_AEQE);
325 mbox_ctrl |= HINIC_MBOX_CTRL_SET(TRIGGER, TRIGGER_AEQE);
327 hinic_hwif_write_reg(func_to_func->hwdev->hwif,
328 HINIC_FUNC_CSR_MAILBOX_CONTROL_OFF, mbox_ctrl);
331 static int init_mbox_info(struct hinic_recv_mbox *mbox_info)
335 mbox_info->mbox = kzalloc(MBOX_MAX_BUF_SZ, GFP_KERNEL);
336 if (!mbox_info->mbox) {
337 PMD_DRV_LOG(ERR, "Alloc mbox buf_in mem failed\n");
341 mbox_info->buf_out = kzalloc(MBOX_MAX_BUF_SZ, GFP_KERNEL);
342 if (!mbox_info->buf_out) {
343 PMD_DRV_LOG(ERR, "Alloc mbox buf_out mem failed\n");
345 goto alloc_buf_out_err;
351 kfree(mbox_info->mbox);
356 static void clean_mbox_info(struct hinic_recv_mbox *mbox_info)
358 kfree(mbox_info->buf_out);
359 kfree(mbox_info->mbox);
362 static int alloc_mbox_info(struct hinic_recv_mbox *mbox_info)
367 for (func_idx = 0; func_idx < HINIC_MAX_FUNCTIONS; func_idx++) {
368 err = init_mbox_info(&mbox_info[func_idx]);
370 PMD_DRV_LOG(ERR, "Initialize function[%d] mailbox information failed, err: %d",
372 goto init_mbox_info_err;
379 for (i = 0; i < func_idx; i++)
380 clean_mbox_info(&mbox_info[i]);
385 static void free_mbox_info(struct hinic_recv_mbox *mbox_info)
389 for (func_idx = 0; func_idx < HINIC_MAX_FUNCTIONS; func_idx++)
390 clean_mbox_info(&mbox_info[func_idx]);
393 static void prepare_send_mbox(struct hinic_mbox_func_to_func *func_to_func)
395 struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
397 send_mbox->data = MBOX_AREA(func_to_func->hwdev->hwif);
400 static int alloc_mbox_wb_status(struct hinic_mbox_func_to_func *func_to_func)
402 struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
403 struct hinic_hwdev *hwdev = func_to_func->hwdev;
404 struct hinic_hwif *hwif = hwdev->hwif;
407 send_mbox->wb_vaddr = dma_zalloc_coherent(hwdev,
409 &send_mbox->wb_paddr,
411 if (!send_mbox->wb_vaddr) {
412 PMD_DRV_LOG(ERR, "Allocating memory for mailbox wb status failed");
415 send_mbox->wb_status = (volatile u64 *)send_mbox->wb_vaddr;
417 addr_h = upper_32_bits(send_mbox->wb_paddr);
418 addr_l = lower_32_bits(send_mbox->wb_paddr);
419 hinic_hwif_write_reg(hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_H_OFF, addr_h);
420 hinic_hwif_write_reg(hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_L_OFF, addr_l);
425 static void free_mbox_wb_status(struct hinic_mbox_func_to_func *func_to_func)
427 struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
428 struct hinic_hwdev *hwdev = func_to_func->hwdev;
429 struct hinic_hwif *hwif = hwdev->hwif;
431 hinic_hwif_write_reg(hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_H_OFF, 0);
432 hinic_hwif_write_reg(hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_L_OFF, 0);
434 dma_free_coherent(hwdev, MBOX_WB_STATUS_LEN,
435 send_mbox->wb_vaddr, send_mbox->wb_paddr);
438 static int recv_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
439 void *header, struct hinic_recv_mbox *recv_mbox, void *param)
441 u64 mbox_header = *((u64 *)header);
442 void *mbox_body = MBOX_BODY_FROM_HDR(header);
444 enum hinic_hwif_direction_type direction;
447 seq_id = HINIC_MBOX_HEADER_GET(mbox_header, SEQID);
448 seg_len = HINIC_MBOX_HEADER_GET(mbox_header, SEG_LEN);
449 direction = HINIC_MBOX_HEADER_GET(mbox_header, DIRECTION);
450 src_func_idx = HINIC_MBOX_HEADER_GET(mbox_header, SRC_GLB_FUNC_IDX);
452 if (!check_mbox_seq_id_and_seg_len(recv_mbox, seq_id, seg_len)) {
454 "Mailbox sequence and segment check failed, src func id: 0x%x, front id: 0x%x, current id: 0x%x, seg len: 0x%x\n",
455 src_func_idx, recv_mbox->sed_id, seq_id, seg_len);
459 memcpy((u8 *)recv_mbox->mbox + seq_id * HINIC_MSG_SEG_LEN,
462 if (!HINIC_MBOX_HEADER_GET(mbox_header, LAST))
465 recv_mbox->sed_id = 0;
466 recv_mbox->cmd = HINIC_MBOX_HEADER_GET(mbox_header, CMD);
467 recv_mbox->mod = HINIC_MBOX_HEADER_GET(mbox_header, MODULE);
468 recv_mbox->mbox_len = HINIC_MBOX_HEADER_GET(mbox_header, MSG_LEN);
469 recv_mbox->ack_type = HINIC_MBOX_HEADER_GET(mbox_header, NO_ACK);
470 recv_mbox->msg_info.msg_id = HINIC_MBOX_HEADER_GET(mbox_header, MSG_ID);
471 recv_mbox->msg_info.status = HINIC_MBOX_HEADER_GET(mbox_header, STATUS);
473 if (direction == HINIC_HWIF_RESPONSE) {
474 if (recv_mbox->msg_info.msg_id == func_to_func->send_msg_id &&
475 func_to_func->event_flag == EVENT_START) {
479 PMD_DRV_LOG(ERR, "Mbox response timeout, current send msg id(0x%x), recv msg id(0x%x), status(0x%x)",
480 func_to_func->send_msg_id, recv_mbox->msg_info.msg_id,
481 recv_mbox->msg_info.status);
485 recv_func_mbox_handler(func_to_func, recv_mbox, src_func_idx, param);
491 * hinic_mbox_func_aeqe_handler - Process mbox info from func which is
495 * Pointer to hradware nic device.
499 * The size of aeqe descriptor.
501 * customized parameter.
504 * 0 on success, negative error value otherwise.
506 int hinic_mbox_func_aeqe_handler(void *handle, u8 *header,
507 __rte_unused u8 size, void *param)
509 struct hinic_mbox_func_to_func *func_to_func =
510 ((struct hinic_hwdev *)handle)->func_to_func;
511 struct hinic_recv_mbox *recv_mbox;
512 u64 mbox_header = *((u64 *)header);
513 u16 src = HINIC_MBOX_HEADER_GET(mbox_header, SRC_GLB_FUNC_IDX);
515 if (src >= HINIC_MAX_FUNCTIONS) {
516 PMD_DRV_LOG(ERR, "Mailbox source function id: %d is invalid",
521 recv_mbox = (HINIC_MBOX_HEADER_GET(mbox_header, DIRECTION) ==
522 HINIC_HWIF_DIRECT_SEND) ?
523 &func_to_func->mbox_send[src] :
524 &func_to_func->mbox_resp[src];
526 return recv_mbox_handler(func_to_func, (u64 *)header, recv_mbox, param);
529 static u16 get_mbox_status(struct hinic_send_mbox *mbox)
531 /* write back is 16B, but only use first 4B */
532 u64 wb_val = be64_to_cpu(*mbox->wb_status);
534 rte_rmb(); /* verify reading before check */
536 return (u16)(wb_val & MBOX_WB_STATUS_ERRCODE_MASK);
539 static void dump_mox_reg(struct hinic_hwdev *hwdev)
543 val = hinic_hwif_read_reg(hwdev->hwif,
544 HINIC_FUNC_CSR_MAILBOX_CONTROL_OFF);
545 PMD_DRV_LOG(WARNING, "Mailbox control reg: 0x%x", val);
546 val = hinic_hwif_read_reg(hwdev->hwif,
547 HINIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF);
548 PMD_DRV_LOG(WARNING, "Mailbox interrupt offset: 0x%x", val);
551 static int send_mbox_seg(struct hinic_mbox_func_to_func *func_to_func,
552 u64 header, u16 dst_func, void *seg, u16 seg_len)
554 struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
555 struct hinic_hwdev *hwdev = func_to_func->hwdev;
556 u16 seq_dir = HINIC_MBOX_HEADER_GET(header, DIRECTION);
557 u16 dst_aeqn = (seq_dir == HINIC_HWIF_DIRECT_SEND) ?
558 HINIC_MBOX_RECV_AEQN : HINIC_MBOX_RSP_AEQN;
559 u16 err_code, wb_status = 0;
562 clear_mbox_status(send_mbox);
564 mbox_copy_header(send_mbox, &header);
566 mbox_copy_send_data(send_mbox, seg, seg_len);
568 write_mbox_msg_attr(func_to_func, dst_func, dst_aeqn, seg_len,
573 while (cnt < MBOX_MSG_POLLING_TIMEOUT_MS) {
574 wb_status = get_mbox_status(send_mbox);
575 if (MBOX_STATUS_FINISHED(wb_status))
578 rte_delay_ms(1); /* loop every ms */
582 if (cnt == MBOX_MSG_POLLING_TIMEOUT_MS) {
583 PMD_DRV_LOG(ERR, "Send mailbox segment timeout, wb status: 0x%x",
589 if (!MBOX_STATUS_SUCCESS(wb_status)) {
590 PMD_DRV_LOG(ERR, "Send mailbox segment to function %d error, wb status: 0x%x",
591 dst_func, wb_status);
593 * err_code: 0 responses no errors, other values can
596 err_code = MBOX_STATUS_ERRCODE(wb_status);
597 return err_code ? err_code : -EFAULT;
603 static void set_mbox_to_func_event(struct hinic_mbox_func_to_func *func_to_func,
604 enum mbox_event_state event_flag)
606 spin_lock(&func_to_func->mbox_lock);
607 func_to_func->event_flag = event_flag;
608 spin_unlock(&func_to_func->mbox_lock);
611 static int send_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func,
612 enum hinic_mod_type mod, u16 cmd, void *msg,
613 u16 msg_len, u16 dst_func,
614 enum hinic_hwif_direction_type direction,
615 enum hinic_mbox_ack_type ack_type,
616 struct mbox_msg_info *msg_info)
618 struct hinic_hwdev *hwdev = func_to_func->hwdev;
621 u16 seg_len = HINIC_MSG_SEG_LEN;
623 u8 *msg_seg = (u8 *)msg;
626 err = hinic_mutex_lock(&func_to_func->msg_send_mutex);
630 header = HINIC_MBOX_HEADER_SET(msg_len, MSG_LEN) |
631 HINIC_MBOX_HEADER_SET(mod, MODULE) |
632 HINIC_MBOX_HEADER_SET(seg_len, SEG_LEN) |
633 HINIC_MBOX_HEADER_SET(ack_type, NO_ACK) |
634 HINIC_MBOX_HEADER_SET(SEQ_ID_START_VAL, SEQID) |
635 HINIC_MBOX_HEADER_SET(NOT_LAST_SEG, LAST) |
636 HINIC_MBOX_HEADER_SET(direction, DIRECTION) |
637 HINIC_MBOX_HEADER_SET(cmd, CMD) |
638 HINIC_MBOX_HEADER_SET(msg_info->msg_id, MSG_ID) |
639 HINIC_MBOX_HEADER_SET(msg_info->status, STATUS) |
640 HINIC_MBOX_HEADER_SET(hinic_global_func_id(hwdev),
643 while (!(HINIC_MBOX_HEADER_GET(header, LAST))) {
644 if (left <= HINIC_MSG_SEG_LEN) {
646 ~(HINIC_MBOX_HEADER_SET(HINIC_MBOX_HEADER_SEG_LEN_MASK,
648 header |= HINIC_MBOX_HEADER_SET(left, SEG_LEN);
649 header |= HINIC_MBOX_HEADER_SET(LAST_SEG, LAST);
654 err = send_mbox_seg(func_to_func, header, dst_func, msg_seg,
657 PMD_DRV_LOG(ERR, "Fail to send mbox seg, err: %d", err);
661 left -= HINIC_MSG_SEG_LEN;
662 msg_seg += HINIC_MSG_SEG_LEN;
665 header &= ~(HINIC_MBOX_HEADER_SET(HINIC_MBOX_HEADER_SEQID_MASK,
667 header |= HINIC_MBOX_HEADER_SET(seq_id, SEQID);
671 (void)hinic_mutex_unlock(&func_to_func->msg_send_mutex);
676 static int hinic_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func,
677 enum hinic_mod_type mod, u16 cmd, u16 dst_func,
678 void *buf_in, u16 in_size, void *buf_out, u16 *out_size,
681 struct hinic_recv_mbox *mbox_for_resp =
682 &func_to_func->mbox_resp[dst_func];
683 struct mbox_msg_info msg_info = {0};
687 err = hinic_mutex_lock(&func_to_func->mbox_send_mutex);
691 msg_info.msg_id = (MBOX_MSG_ID(func_to_func) + 1) & MBOX_MSG_ID_MASK;
692 MBOX_MSG_ID(func_to_func) = msg_info.msg_id;
694 set_mbox_to_func_event(func_to_func, EVENT_START);
696 err = send_mbox_to_func(func_to_func, mod, cmd, buf_in, in_size,
697 dst_func, HINIC_HWIF_DIRECT_SEND,
698 MBOX_ACK, &msg_info);
702 time = msecs_to_jiffies(timeout ? timeout : HINIC_MBOX_COMP_TIME_MS);
703 err = hinic_aeq_poll_msg(func_to_func->rsp_aeq, time, NULL);
705 set_mbox_to_func_event(func_to_func, EVENT_TIMEOUT);
706 PMD_DRV_LOG(ERR, "Send mailbox message time out");
711 set_mbox_to_func_event(func_to_func, EVENT_END);
713 if (mbox_for_resp->msg_info.status) {
714 err = mbox_for_resp->msg_info.status;
715 if (err != HINIC_MBOX_PF_BUSY_ACTIVE_FW)
716 PMD_DRV_LOG(ERR, "Mailbox response error: 0x%x",
717 mbox_for_resp->msg_info.status);
719 PMD_DRV_LOG(ERR, "Chip is in active, PF can't process VF message");
725 if (mbox_for_resp->mbox_len && buf_out && out_size) {
726 if (mbox_for_resp->mbox_len <= *out_size) {
727 memcpy(buf_out, mbox_for_resp->mbox,
728 mbox_for_resp->mbox_len);
729 *out_size = mbox_for_resp->mbox_len;
731 PMD_DRV_LOG(ERR, "Mailbox response message len[%u] overflow",
732 mbox_for_resp->mbox_len);
740 (void)hinic_mutex_unlock(&func_to_func->mbox_send_mutex);
746 mbox_func_params_valid(__rte_unused struct hinic_mbox_func_to_func *mbox_obj,
747 void *buf_in, u16 in_size)
749 if (!buf_in || !in_size)
752 if (in_size > HINIC_MBOX_DATA_SIZE) {
753 PMD_DRV_LOG(ERR, "Mailbox message len(%d) exceed limit(%d)",
754 in_size, HINIC_MBOX_DATA_SIZE);
761 static u8 hinic_pf_id_of_vf(void *hwdev)
763 struct hinic_hwif *hwif = ((struct hinic_hwdev *)hwdev)->hwif;
764 return hwif->attr.port_to_port_idx;
768 * hinic_mbox_to_pf - Send mbox info to pf and need pf to response.
771 * Pointer to hardware nic device.
773 * Mode type of hardware.
775 * The command sent to pf.
779 * Input parameter size.
783 * Output parameter size.
788 * 0 on success, negative error value otherwise.
790 int hinic_mbox_to_pf(struct hinic_hwdev *hwdev,
791 enum hinic_mod_type mod, u8 cmd, void *buf_in,
792 u16 in_size, void *buf_out, u16 *out_size, u32 timeout)
794 struct hinic_mbox_func_to_func *func_to_func = hwdev->func_to_func;
797 err = mbox_func_params_valid(func_to_func, buf_in, in_size);
799 PMD_DRV_LOG(ERR, "Mailbox parameters check failed: %d", err);
803 if (!HINIC_IS_VF(hwdev)) {
804 PMD_DRV_LOG(ERR, "Input function type error, func_type: %d",
805 hinic_func_type(hwdev));
809 return hinic_mbox_to_func(func_to_func, mod, cmd,
810 hinic_pf_id_of_vf(hwdev), buf_in, in_size,
811 buf_out, out_size, timeout);
815 * hinic_mbox_to_pf_no_ack - Send mbox info to pf and do not need pf to response
818 * Pointer to hardware nic device.
820 * Mode type of hardware.
822 * The command sent to pf.
826 * Input parameter size.
829 * 0 on success, negative error value otherwise.
831 int hinic_mbox_to_pf_no_ack(struct hinic_hwdev *hwdev, enum hinic_mod_type mod,
832 u8 cmd, void *buf_in, u16 in_size)
835 struct mbox_msg_info msg_info = {0};
837 err = hinic_mutex_lock(&hwdev->func_to_func->mbox_send_mutex);
841 err = send_mbox_to_func(hwdev->func_to_func, mod, cmd, buf_in, in_size,
842 hinic_pf_id_of_vf(hwdev), HINIC_HWIF_DIRECT_SEND,
843 MBOX_NO_ACK, &msg_info);
845 PMD_DRV_LOG(ERR, "Send mailbox no ack failed, err: %d", err);
847 (void)hinic_mutex_unlock(&hwdev->func_to_func->mbox_send_mutex);
852 static int hinic_func_to_func_init(struct hinic_hwdev *hwdev)
854 struct hinic_mbox_func_to_func *func_to_func;
857 func_to_func = kzalloc(sizeof(*func_to_func), GFP_KERNEL);
859 PMD_DRV_LOG(ERR, "Allocating memory for func_to_func object failed");
862 hwdev->func_to_func = func_to_func;
863 func_to_func->hwdev = hwdev;
864 (void)hinic_mutex_init(&func_to_func->mbox_send_mutex, NULL);
865 (void)hinic_mutex_init(&func_to_func->msg_send_mutex, NULL);
867 err = alloc_mbox_info(func_to_func->mbox_send);
869 PMD_DRV_LOG(ERR, "Allocating memory for mailbox sending failed");
870 goto alloc_mbox_for_send_err;
873 err = alloc_mbox_info(func_to_func->mbox_resp);
875 PMD_DRV_LOG(ERR, "Allocating memory for mailbox responsing failed");
876 goto alloc_mbox_for_resp_err;
879 err = alloc_mbox_wb_status(func_to_func);
881 goto alloc_wb_status_err;
883 prepare_send_mbox(func_to_func);
888 free_mbox_info(func_to_func->mbox_resp);
890 alloc_mbox_for_resp_err:
891 free_mbox_info(func_to_func->mbox_send);
893 alloc_mbox_for_send_err:
900 * hinic_comm_func_to_func_free - Uninitialize func to func resource.
903 * Pointer to hardware nic device.
905 void hinic_comm_func_to_func_free(struct hinic_hwdev *hwdev)
907 struct hinic_mbox_func_to_func *func_to_func = hwdev->func_to_func;
909 free_mbox_wb_status(func_to_func);
910 free_mbox_info(func_to_func->mbox_resp);
911 free_mbox_info(func_to_func->mbox_send);
912 (void)hinic_mutex_destroy(&func_to_func->mbox_send_mutex);
913 (void)hinic_mutex_destroy(&func_to_func->msg_send_mutex);
918 * hinic_comm_func_to_func_init - Initialize func to func resource.
921 * Pointer to hardware nic device.
923 int hinic_comm_func_to_func_init(struct hinic_hwdev *hwdev)
927 rc = hinic_func_to_func_init(hwdev);
931 hwdev->func_to_func->rsp_aeq = &hwdev->aeqs->aeq[HINIC_MBOX_RSP_AEQN];
932 hwdev->func_to_func->recv_aeq = &hwdev->aeqs->aeq[HINIC_MBOX_RECV_AEQN];